#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import urllib2
import json
import argparse
def authenticate(url, username, password):
  values = {'jsonrpc': '2.0',
        'method': 'user.login',
        'params': {
          'user': username,
          'password': password
        },
        'id': '0'
        }
  data = json.dumps(values)
  req = urllib2.Request(url, data, {'Content-Type': 'application/json-rpc'})
  response = urllib2.urlopen(req, data)
  output = json.loads(response.read())
  try:
    message = output['result']
  except:
    message = output['error']['data']
    print message
    quit()
  return output['result']
def getGraph(hostname, url, auth, graphtype, dynamic, columns):
  if (graphtype == 0):
    selecttype = ['graphid']
    select = 'selectGraphs'
  if (graphtype == 1):
    selecttype = ['itemid', 'value_type']
    select = 'selectItems'
  values = {'jsonrpc': '2.0',
        'method': 'host.get',
        'params': {
          select: selecttype,
          'output': ['hostid', 'host'],
          'searchByAny': 1,
          'filter': {
            'host': hostname
          }
        },
        'auth': auth,
        'id': '2'
        }
  data = json.dumps(values)
  req = urllib2.Request(url, data, {'Content-Type': 'application/json-rpc'})
  response = urllib2.urlopen(req, data)
  host_get = response.read()
  output = json.loads(host_get)
  # print json.dumps(output)
  graphs = []
  if (graphtype == 0):
    for i in output['result'][0]['graphs']:
      graphs.append(i['graphid'])
  if (graphtype == 1):
    for i in output['result'][0]['items']:
      if int(i['value_type']) in (0, 3):
        graphs.append(i['itemid'])
  graph_list = []
  x = 0
  y = 0
  for graph in graphs:
    graph_list.append({
      "resourcetype": graphtype,
      "resourceid": graph,
      "width": "500",
      "height": "100",
      "x": str(x),
      "y": str(y),
      "colspan": "0",
      "rowspan": "0",
      "elements": "0",
      "valign": "0",
      "halign": "0",
      "style": "0",
      "url": "",
      "dynamic": str(dynamic)
    })
    x += 1
    if x == columns:
      x = 0
      y += 1
  return graph_list
def screenCreate(url, auth, screen_name, graphids, columns):
  # print graphids
  if len(graphids) % columns == 0:
    vsize = len(graphids) / columns
  else:
    vsize = (len(graphids) / columns) + 1
  values = {"jsonrpc": "2.0",
        "method": "screen.create",
        "params": [{
          "name": screen_name,
          "hsize": columns,
          "vsize": vsize,
          "screenitems": []
        }],
        "auth": auth,
        "id": 2
        }
  for i in graphids:
    values['params'][0]['screenitems'].append(i)
  data = json.dumps(values)
  req = urllib2.Request(url, data, {'Content-Type': 'application/json-rpc'})
  response = urllib2.urlopen(req, data)
  host_get = response.read()
  output = json.loads(host_get)
  try:
    message = output['result']
  except:
    message = output['error']['data']
  print json.dumps(message)
def main():
  # 修改下面三行
  url = 'http://monitor.tongtf.com/api_jsonrpc.php'
  username = "admin"
  password = "zabbix"
  parser = argparse.ArgumentParser(description='Create Zabbix screen from all of a host Items or Graphs.')
  parser.add_argument('hostname', metavar='H', type=str,
            help='Zabbix Host to create screen from')
  parser.add_argument('screenname', metavar='N', type=str,
            help='Screen name in Zabbix.  Put quotes around it if you want spaces in the name.')
  parser.add_argument('-c', dest='columns', type=int, default=3,
            help='number of columns in the screen (default: 3)')
  parser.add_argument('-d', dest='dynamic', action='store_true',
            help='enable for dynamic screen items (default: disabled)')
  parser.add_argument('-t', dest='screentype', action='store_true',
            help='set to 1 if you want item simple graphs created (default: 0, regular graphs)')
  args = parser.parse_args()
  hostname = args.hostname
  screen_name = args.screenname
  columns = args.columns
  dynamic = (1 if args.dynamic else 0)
  screentype = (1 if args.screentype else 0)
  auth = authenticate(url, username, password)
  graphids = getGraph(hostname, url, auth, screentype, dynamic, columns)
  print "Screen Name: " + screen_name
  print "Total Number of Graphs: " + str(len(graphids))
  screenCreate(url, auth, screen_name, graphids, columns)
if __name__ == '__main__':
  main()